/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: Version.java,v 1.2 2005/09/28 13:49:09 pvedula Exp $
 */
package com.sun.org.apache.xml.internal.serializer;

/**
 * Administrative class to keep track of the version number of
 * the Serializer release.
 * <P>This class implements the upcoming standard of having
 * org.apache.project-name.Version.getVersion() be a standard way
 * to get version information.</P>
 *
 * @xsl.usage general
 */
public final class Version {

  /**
   * Get the basic version string for the current Serializer.
   * Version String formatted like
   * <CODE>"<B>Serializer</B> <B>Java</B> v.r[.dd| <B>D</B>nn]"</CODE>.
   *
   * Futurework: have this read version info from jar manifest.
   *
   * @return String denoting our current version
   */
  public static String getVersion() {
    return getProduct() + " " + getImplementationLanguage() + " "
        + getMajorVersionNum() + "." + getReleaseVersionNum() + "."
        + ((getDevelopmentVersionNum() > 0) ?
        ("D" + getDevelopmentVersionNum()) : ("" + getMaintenanceVersionNum()));
  }

  /**
   * Print the processor version to the command line.
   *
   * @param argv command line arguments, unused.
   */
  public static void _main(String argv[]) {
    System.out.println(getVersion());
  }

  /**
   * Name of product: Serializer.
   */
  public static String getProduct() {
    return "Serializer";
  }

  /**
   * Implementation Language: Java.
   */
  public static String getImplementationLanguage() {
    return "Java";
  }


  /**
   * Major version number.
   * Version number. This changes only when there is a
   * significant, externally apparent enhancement from
   * the previous release. 'n' represents the n'th
   * version.
   *
   * Clients should carefully consider the implications
   * of new versions as external interfaces and behaviour
   * may have changed.
   */
  public static int getMajorVersionNum() {
    return 2;

  }

  /**
   * Release Number.
   * Release number. This changes when:
   * -  a new set of functionality is to be added, eg,
   * implementation of a new W3C specification.
   * -  API or behaviour change.
   * -  its designated as a reference release.
   */
  public static int getReleaseVersionNum() {
    return 7;
  }

  /**
   * Maintenance Drop Number.
   * Optional identifier used to designate maintenance
   * drop applied to a specific release and contains
   * fixes for defects reported. It maintains compatibility
   * with the release and contains no API changes.
   * When missing, it designates the final and complete
   * development drop for a release.
   */
  public static int getMaintenanceVersionNum() {
    return 0;
  }

  /**
   * Development Drop Number.
   * Optional identifier designates development drop of
   * a specific release. D01 is the first development drop
   * of a new release.
   *
   * Development drops are works in progress towards a
   * compeleted, final release. A specific development drop
   * may not completely implement all aspects of a new
   * feature, which may take several development drops to
   * complete. At the point of the final drop for the
   * release, the D suffix will be omitted.
   *
   * Each 'D' drops can contain functional enhancements as
   * well as defect fixes. 'D' drops may not be as stable as
   * the final releases.
   */
  public static int getDevelopmentVersionNum() {
    try {
      if ((new String("")).length() == 0) {
        return 0;
      } else {
        return Integer.parseInt("");
      }
    } catch (NumberFormatException nfe) {
      return 0;
    }
  }
}
